ArticleRadiation and environmental biophysics2014
Physiological changes and anti-oxidative responses of Arabidopsis plants after acute and chronic γ-irradiation.
Article in Radiation and environmental biophysics, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed.
- Analysis of differential gene expression in potato leaves exposed to low dose ionizing radiation.Functional & integrative genomics · 2026Article
- Review
- Ionizing radiation resilience: how metabolically active lichens endure exposure to the simulated Mars atmosphere.IMA fungus · 2025Article
- Effect of low-dose ionizing radiation on spatiotemporal parameters of functional responses induced by electrical signals in tobacco plants.Photosynthesis research · 2023Article
- Influence of Increased Radiation Background on Antioxidative Responses ofAntioxidants (Basel, Switzerland) · 2023Article
- Genetic and phenotype recovery of Ananas comosus var. MD2 in response to ionizing radiation.Scientific reports · 2023Article
- Article
- Reactive oxygen species may be involved in the distinctive biological effects of different doses ofFrontiers in plant science · 2023Article
- The effects of base station as an electromagnetic radiation source on flower and cone yield and germination percentage in Pinus brutia Ten.Biologia futura · 2021Article
- Effects of Acute and Chronic Gamma Irradiation on the Cell Biology and Physiology of Rice Plants.Plants (Basel, Switzerland) · 2021Article
- Changes in DNA Methylation inFrontiers in plant science · 2021Article
- Ionizing Radiation, Higher Plants, and Radioprotection: From Acute High Doses to Chronic Low Doses.Frontiers in plant science · 2018Review
Corrections and comments
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Authors and funding
8 authors.
Funding
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Abstract
To identify the effects of acute and chronic γ-irradiation in Arabidopsis plants, physiological responses and antioxidant-related gene expression were investigated. Seedlings were exposed to 200 Gy of γ-irradiation in acute manner for 1 or 24 h (A1 and A24) or in chronic manner for 1, 2, or 3 weeks (C1 W, C2 W, and C3 W). Plant height, silique number, and silique length in A1 and A24 irradiated plants were significantly reduced when compared to non-irradiated plants. Silique number decreased in response to both acute and chronic irradiation, except with the C3 W treatment, and the number of trichomes dramatically increased in A1 and C1 W. Electron spin resonance signal intensities increased in A1 and in all chronically irradiated plants, but decreased in the A24-treated plant. To investigate the effects of acute and chronic γ-irradiation on antioxidant enzymes, we examined activity of four antioxidant enzymes: catalase (CAT), peroxidase (POD), ascorbate peroxidase, and superoxide dismutase. In general, POD and CAT activities decreased in response to acute and chronic γ-irradiation. Oligonucleotide microarrays were used to investigate transcriptional changes after irradiation. Several genes related to reactive oxygen species signaling were up-regulated after acute and chronic exposure, including genes encoding heat shock factors, zinc finger proteins, NADPH oxidase, WRKY DNA-binding proteins, and calcium binding proteins. Taken together, our data indicate that the responses and activation of antioxidant systems prompted by irradiation exposure are dependent upon the γ-ray dose rate.
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